Tdk Electronics Ag

Qualcomm Incorporated

Toppan Printing Co., Ltd.

Tomohiro Terada

Tomoya Imura

Masakazu Hirose

Goushi Tauchi

Junichi Kimura

Yukari Inoue

Yu Katagi

There is provided a decorative sheet having a three-dimensional effect by a tactile sense and a visual three-dimensional effect or texture and excellent in design properties. A decorative sheet () according to this embodiment is provided with a base material (), an image design layer () provided on a front surface () side of the base material (), a transparent adhesive layer () provided on a front surface () side of the image design layer (), a transparent thermoplastic resin layer () provided on a front surface () side of the transparent adhesive layer (), and a surface protective layer () provided on a front surface () side of the transparent thermoplastic resin layer (). On a front surface () side of the surface protective layer (), a recess and projection design () and a recess and projection pattern () having a plurality of regions () which is provided on each of the surfaces of recess portions and the surfaces of projection portions of the recess and projection design () and in which recesses and projections are formed are provided. A height difference between the recess portions and the projection portions of the recess and projection design () is 3 &#x3bc;m or more and 200 &#x3bc;m or less. A height difference between recess portions and projection portions in each of the regions () of the recess and projection patternis smaller than the height difference between the recess portions and the projection portions of the recess and projection design ().

Decorative sheet

The present invention relates to a dielectric composition having a main component and an auxiliary component. The main component is represented by (BiNaSrLn)TiO, where Ln comprises a rare earth element 0.100&#x2264;a&#x2264;0.400, 0.100&#x2264;b&#x2264;0.400, 0.100&#x2264;c&#x2264;0.700, 0&#x2264;d&#x2264;0.100, and 0.900&#x2264;a+b+c+d&#x2264;1.50. The auxiliary component contains a first auxiliary component or a second auxiliary component. The first auxiliary component includes an element selected from the group consisting of Li and K and combinations thereof and the second auxiliary component includes an element selected from the group consisting of Cu, Zn, Mn, Mg and Co and combinations thereof.

Dielectric composition, dielectric element, electronic component and laminated electronic component

A multi-layer ceramic capacitor is disclosed. In an embodiment the dielectric composition includes a perovskite crystal structure containing at least Bi, Na, Sr and Ti, wherein the dielectric composition includes a low-Bi phase in which a Bi concentration is no greater than 0.8 times the mean Bi concentration in the dielectric composition as a whole.

Multi-layer ceramic capacitor

A piezoelectric thin film comprises aluminum nitride containing a monad and at least one type among a tetrad and a pentad. The piezoelectric thin film having a large electromechanical coupling factor and a small stiffness.

Piezoelectric thin film and bulk acoustic wave filter

A dielectric composition, a dielectric element, an electronic component and a laminated electric component are disclosed. In an embodiment a dielectric composition has a perovskite crystal structure containing at least Bi, Na, Sr and Ti, wherein the dielectric composition includes a high-Bi phase in which the Bi concentration is at least 1.2 times the mean Bi concentration in the dielectric composition as a whole.

Dielectric composition, dielectric element, electronic component and laminated electric component

A dielectric composition, a dielectric element, an electronic component and a laminated electronic component are disclosed. In an embodiment the dielectric composition has a perovskite crystal structure containing at least Bi, Na, Sr and Ti, wherein the dielectric composition includes at least one selected from among La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Yb, Ba, Ca, Mg and Zn, wherein the dielectric composition includes specific particles having a core-shell structure that has at least one core portion including SrTiO, and wherein &#x3b1;&#x3c;0.20, where &#x3b1; is the ratio of the number of specific particles with respect to the total number of particles contained in the dielectric composition.

A dielectric composition, a dielectric element, an electronic component and a multi-layer electronic component are disclosed. In an embodiment the dielectric composition includes particles having a perovskite crystal structure including at least Bi, Na, Sr and Ti, wherein at least some of the particles have a core-shell structure including a core portion and a shell portion and wherein the content of Bi present in the core portion is at least 1.2 times the content of Bi present in the shell portion.

Dielectric composition, dielectric element, electronic component and multi-layer electronic component

A dielectric composition, a dielectric element, an electronic component and a laminated electronic component are disclosed. In an embodiment the dielectric composition includes particles having a perovskite crystal structure including at least Bi, Na, Sr and Ti, wherein the content of the at least one element selected from La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Yb, Ba, Ca, Mg or Zn is between 0.5 molar parts and 11.1 molar parts, taking the Ti content of the dielectric composition as 100 molar parts, wherein 0.17&#x2264;&#x3b1;&#x2264;2.83, where &#x3b1; is the molar ratio of Bi with respect to Sr in the dielectric composition, and wherein at least some of the particles include a high-Bi phase having a Bi concentration of at least 1.2 times the mean Bi concentration of the dielectric composition as a whole.

A dielectric composition, a dielectric element, an electronic component and a multi-layer electronic component are disclosed. In an embodiment the dielectric composition includes a perovskite crystal structure containing at least Bi, Na, Sr and Ti, wherein the dielectric composition includes at least one selected from among La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Yb, Ba, Ca, Mg and Zn, wherein the dielectric composition includes specific particles having a core-shell structure that has at least one core portion including SrTiOand wherein &#x3b1; is set to 0.20&#x2264;&#x3b1;&#x2264;0.70, where &#x3b1; is the ratio of the number of specific particles with respect to the total number of particles contained in the dielectric composition.

A dielectric composition, a dielectric element, an electronic component and a laminated electronic component are disclosed. In an embodiment a dielectric composition includes particles comprising a perovskite crystal structure including at least Bi, Na, Sr and Ti and at least one element selected from the group consisting of La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Yb, Ba, Ca, Mg and Zn, wherein a content of the element is between 0.5 molar pails and 11.1 molar parts, defining a Ti content of the dielectric composition as 100 molar parts, wherein 0.17&#x2264;&#x3b1;&#x2264;2.83, where &#x3b1; is a molar ratio of Bi with respect to Sr in the dielectric composition, wherein at least some of the particles include a low-Bi phase, and wherein a total surface area of the low-Bi phase within the particles is between 0.1% and 15% of the total surface area of the particles.

A dielectric composition, a dielectric element, an electronic component and a laminated electronic component are disclosed. In an embodiment the dielectric composition includes particles having a perovskite crystal structure including at least Bi, Na, Sr and Ti, wherein at least some of the particles have a core-shell structure including a core portion and a shell portion, and wherein the content of Bi present in the core portion is no greater than 0.83 times the content of Bi present in the shell portion.

A dielectric composition, a dielectric element, an electronic component and a laminated electronic component are disclosed. In an embodiment the dielectric composition includes a perovskite compound comprising a main component having Bi, Na, Sr, Ln and Ti, wherein Ln is at least one type of a rare earth element, and wherein a mean crystal grain size is between 0.1 &#x3bc;m and 1 &#x3bc;m.

Growing community of inventors

Tokyo, Japan

Tomohiro Terada